| @tooltip-prefix-cls: ~"@{css-prefix}tooltip"; | 
| @tooltip-arrow: ~"@{tooltip-prefix-cls}-arrow"; | 
| @tooltip-max-width: 250px; | 
| @tooltip-arrow-width: 5px; | 
| @tooltip-distance: @tooltip-arrow-width - 1 + 4; | 
|   | 
| @tooltip-arrow-width-light: 7px; | 
| @tooltip-distance-light: @tooltip-arrow-width-light - 1 + 4; | 
| @tooltip-arrow-outer-width-light: (@tooltip-arrow-width-light + 1); | 
| @tooltip-arrow-color: hsla(0,0%,85%,.5); | 
|   | 
| .@{tooltip-prefix-cls} { | 
|     display: inline-block; | 
|   | 
|     &-rel{ | 
|         display: inline-block; | 
|         position: relative; | 
|         width: inherit; | 
|     } | 
|   | 
|     &-popper{ | 
|         .popper(@tooltip-arrow, @tooltip-arrow-width, @tooltip-distance, @tooltip-bg); | 
|     } | 
|     &-light&-popper{ | 
|         .popper(@tooltip-arrow, @tooltip-arrow-width-light, @tooltip-distance-light, @tooltip-arrow-color); | 
|   | 
|         &[x-placement^="top"] .@{tooltip-arrow}:after { | 
|             content: " "; | 
|             bottom: 1px; | 
|             margin-left: -@tooltip-arrow-width-light; | 
|             border-bottom-width: 0; | 
|             border-top-width: @tooltip-arrow-width-light; | 
|             border-top-color: #fff; | 
|         } | 
|   | 
|         &[x-placement^="right"] .@{tooltip-arrow}:after { | 
|             content: " "; | 
|             left: 1px; | 
|             bottom: -@tooltip-arrow-width-light; | 
|             border-left-width: 0; | 
|             border-right-width: @tooltip-arrow-width-light; | 
|             border-right-color: #fff; | 
|         } | 
|   | 
|         &[x-placement^="bottom"] .@{tooltip-arrow}:after { | 
|             content: " "; | 
|             top: 1px; | 
|             margin-left: -@tooltip-arrow-width-light; | 
|             border-top-width: 0; | 
|             border-bottom-width: @tooltip-arrow-width-light; | 
|             border-bottom-color: #fff; | 
|         } | 
|   | 
|         &[x-placement^="left"] .@{tooltip-arrow}:after { | 
|             content: " "; | 
|             right: 1px; | 
|             border-right-width: 0; | 
|             border-left-width: @tooltip-arrow-width-light; | 
|             border-left-color: #fff; | 
|             bottom: -@tooltip-arrow-width-light; | 
|         } | 
|     } | 
|   | 
|     &-inner{ | 
|         max-width: @tooltip-max-width; | 
|         min-height: 34px; | 
|         padding: 8px 12px; | 
|         color: @tooltip-color; | 
|         text-align: left; | 
|         text-decoration: none; | 
|         background-color: @tooltip-bg; | 
|         border-radius: @border-radius-small; | 
|         box-shadow: @shadow-base; | 
|         white-space: nowrap; | 
|   | 
|         &-with-width{ | 
|             white-space: pre-wrap; | 
|             text-align: justify; | 
|             // 解决纯字母或数字不换行的问题 | 
|             word-wrap: break-word; | 
|             word-break: break-all; | 
|         } | 
|     } | 
|   | 
|     &-light &-inner{ | 
|         background-color: #fff; | 
|         color: @text-color; | 
|     } | 
|   | 
|     &-arrow{ | 
|         position: absolute; | 
|         width: 0; | 
|         height: 0; | 
|         border-color: transparent; | 
|         border-style: solid; | 
|     } | 
|   | 
|     &-light { | 
|         .@{tooltip-arrow}{ | 
|             &:after{ | 
|                 display: block; | 
|                 width: 0; | 
|                 height: 0; | 
|                 position: absolute; | 
|                 border-color: transparent; | 
|                 border-style: solid; | 
|                 content: ""; | 
|                 border-width: @tooltip-arrow-width-light; | 
|             } | 
|             border-width: @tooltip-arrow-outer-width-light; | 
|         } | 
|     } | 
| } |